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Cubes of 2 Digit Numbers Worksheet

Vedic maths trick 17: Cubes of 2-digit numbers · Set 952 · 40 sums
TalentJR

The trick (Anurupyena): Top row: a³, a²b, ab², b³ (each term is the one before × b ÷ a). Under the two middle terms write double of them, and add: a³ | 3a²b | 3ab² | b³. Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.32³ =
  2. 2.69³ =
  3. 3.62³ =
  4. 4.82³ =
  5. 5.72³ =
  6. 6.48³ =
  7. 7.41³ =
  8. 8.25³ =
  9. 9.67³ =
  10. 10.34³ =
  11. 11.41³ =
  12. 12.37³ =
  13. 13.56³ =
  14. 14.98³ =
  15. 15.71³ =
  16. 16.68³ =
  17. 17.14³ =
  18. 18.16³ =
  19. 19.61³ =
  20. 20.27³ =
  21. 21.95³ =
  22. 22.21³ =
  23. 23.92³ =
  24. 24.41³ =
  25. 25.81³ =
  26. 26.64³ =
  27. 27.32³ =
  28. 28.98³ =
  29. 29.28³ =
  30. 30.62³ =
  31. 31.21³ =
  32. 32.92³ =
  33. 33.78³ =
  34. 34.26³ =
  35. 35.71³ =
  36. 36.87³ =
  37. 37.59³ =
  38. 38.91³ =
  39. 39.13³ =
  40. 40.62³ =

Answer key

  1. 32768
  2. 328509
  3. 238328
  4. 551368
  5. 373248
  6. 110592
  7. 68921
  8. 15625
  9. 300763
  10. 39304
  11. 68921
  12. 50653
  13. 175616
  14. 941192
  15. 357911
  16. 314432
  17. 2744
  18. 4096
  19. 226981
  20. 19683
  21. 857375
  22. 9261
  23. 778688
  24. 68921
  25. 531441
  26. 262144
  27. 32768
  28. 941192
  29. 21952
  30. 238328
  31. 9261
  32. 778688
  33. 474552
  34. 17576
  35. 357911
  36. 658503
  37. 205379
  38. 753571
  39. 2197
  40. 238328

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